Costco Sale: French’s Mustard 2/30 oz $3.04 by Rhonda July 27, 2020 Costco has French’s Mustard 2/30 oz on sale for $3.04 (after manufacturer’s instant rebate), now through July 8, 2012. That is $1.20 off Costco’s regular price of $4.24. These are … 0 FacebookTwitterPinterestEmail
